HP EliteBook 830 840 G8 Motherboard (N19931-601, N19930-601, N19929-601)

HP EliteBook 830 840 G8 Laptop Motherboard Instruction Manual

Models: N19931-601, N19930-601, N19929-601

Manufacturer: Dwjc

1. Introduction

This manual provides essential information for the installation, operation, maintenance, and troubleshooting of your HP EliteBook 830 G8 or 840 G8 series laptop motherboard. This motherboard is designed for 11th Generation Intel processors and supports DDR4 memory. Please read this manual thoroughly before attempting any installation or maintenance procedures.

Top view of the HP EliteBook 830 840 G8 laptop motherboard
Figure 1: Top view of the HP EliteBook 830 840 G8 laptop motherboard, showing the CPU socket and various connectors.

2. Specifications

The following table details the key specifications of the HP EliteBook 830 840 G8 Laptop Motherboard:

Feature Specification
Compatible Brand HP
Model Number 830 G8, 840 G8
Part Number N19931-601, N19930-601, N19929-601 (6050A3426501-MB-A02)
CPU Series Intel 11th Gen (e.g., i5-1135G7, i5-1145G7, i7-1165G7, i7-1185G7)
With CPU Yes (CPU On Board)
Memory Type DDR4
Memory Capacity Up to 32 GB (Integrated)
Onboard Memory No (refers to additional slots, main memory is integrated with CPU)
Graphics Card Type Integrated
Chipset HM86
Onboard SSD No
Origin Mainland China
Close-up of the integrated Intel 11th Gen CPU on the motherboard
Figure 2: Close-up view of the integrated Intel 11th Gen CPU (SRK1F i7-1185G7 shown) on the motherboard.
Label showing motherboard part number N19931-601
Figure 3: Label indicating the motherboard part number N19931-601.

3. Package Contents

Your package should contain the following items:

  • HP EliteBook 830 840 G8 Laptop Motherboard (with integrated CPU)
  • (Optional) Any additional accessories or documentation provided by the seller.

Please inspect the contents immediately upon receipt for any damage or missing items.

4. Installation

Important Safety Precautions:

  • Always disconnect the laptop from the power source and remove the battery before beginning any installation.
  • Wear an anti-static wrist strap or frequently touch a grounded metal object to prevent electrostatic discharge (ESD), which can damage electronic components.
  • Work on a clean, well-lit, and stable surface.
  • Keep track of all screws and small parts.

4.1. Preparation

  1. Power off your laptop completely and disconnect the AC adapter.
  2. Remove the laptop battery.
  3. Open the laptop casing to access the existing motherboard. Refer to your laptop's specific service manual for detailed disassembly instructions.
  4. Carefully disconnect all cables, components (e.g., RAM, SSD, Wi-Fi card), and screws securing the old motherboard.

4.2. Motherboard Installation

  1. Gently place the new motherboard into the laptop chassis, aligning it with the screw posts and port cutouts.
  2. Secure the motherboard with the appropriate screws. Do not overtighten.
  3. Reconnect all internal components and cables that were previously disconnected. This includes:
    • RAM modules (DDR4)
    • M.2 SSD (if applicable)
    • Wi-Fi/Bluetooth card
    • Display cable
    • Keyboard and touchpad cables
    • Speaker cables
    • USB daughterboard cables
    • Power button cable
    • CMOS battery (if separate)
  4. Ensure all connections are firm and correctly seated.
Bottom view of the HP EliteBook 830 840 G8 laptop motherboard
Figure 4: Bottom view of the motherboard, showing mounting points and component layout.
Close-up of a connector on the motherboard
Figure 5: Close-up of a typical connector on the motherboard, illustrating connection points.

5. Operating Instructions

5.1. Initial Power-On

  1. After reassembling the laptop, connect the AC adapter.
  2. Press the power button. The laptop should power on and display the HP logo.
  3. If the laptop does not power on or displays errors, refer to the Troubleshooting section.

5.2. BIOS/UEFI Setup

To access the BIOS/UEFI settings, press the designated key (usually F10 or Esc) repeatedly during startup when the HP logo appears. From the BIOS/UEFI, you can configure boot order, system time, and other hardware settings.

5.3. Driver Installation

After a motherboard replacement, it is recommended to install or update all necessary drivers for your operating system. Visit the official HP support website for your specific EliteBook model to download the latest drivers (chipset, graphics, audio, network, etc.).

6. Maintenance

  • Cleaning: Periodically clean the laptop's cooling vents and fan to prevent dust buildup, which can lead to overheating. Use compressed air for this purpose.
  • Thermal Paste: If the CPU temperature is consistently high, consider reapplying thermal paste to the CPU heatsink. This procedure should only be performed by experienced users or professionals.
  • BIOS Updates: Check the HP support website for any available BIOS/UEFI updates. Follow HP's instructions carefully when performing a BIOS update to avoid system instability.

7. Troubleshooting

Problem Possible Cause Solution
Laptop does not power on Loose power connection, faulty AC adapter, dead battery, incorrectly seated components. Check AC adapter and power outlet. Ensure battery is charged. Recheck all internal cable connections (power button, DC-in jack).
No display on screen Loose display cable, faulty RAM, incorrect BIOS settings. Ensure display cable is securely connected. Reseat RAM modules. Try connecting an external monitor to verify if the issue is with the laptop screen.
Laptop powers on but does not boot (boot loop) Corrupt OS, faulty storage drive, incompatible hardware, incorrect BIOS settings. Check boot order in BIOS. Reseat SSD/HDD. Attempt to boot into safe mode or reinstall OS.
System instability or crashes Overheating, faulty drivers, incompatible software, hardware defect. Ensure proper cooling. Update all drivers from HP's website. Run system diagnostics.

8. User Tips

  • Professional Installation: Due to the complexity of laptop motherboard replacement, it is highly recommended that installation be performed by a qualified professional to avoid damage and ensure proper functionality.
  • Compatibility Check: Always double-check the part numbers and model compatibility before purchasing and installing a replacement motherboard.
  • Static Electricity: Be extremely careful with static electricity. Even a small static discharge can permanently damage sensitive electronic components.

9. Warranty and Support

9.1. Product Warranty

This product comes with a 60-day warranty from the date of purchase. This warranty covers manufacturing defects and ensures the product is 100% working upon receipt. The warranty is void under the following conditions:

  • Change of mind by the buyer.
  • If the item does not match your specific requirements (please verify compatibility before purchase).
  • If the product is not installed and used by professionals.
  • Damage caused by improper installation, misuse, or accident.

9.2. Technical Support

For technical assistance or warranty claims, please contact the seller directly through the platform where the purchase was made. Provide your order number and a detailed description of the issue. The seller aims to promptly answer your questions and provide support.

For general laptop-related support, drivers, and official documentation, please visit the official HP support website for your specific EliteBook 830 G8 or 840 G8 model.